He wears a utility belt similar to batman's as part of his costume. The belt frequently has a smiley face button, a trophy he claimed from a misleading pilot on a mission with the Secret Six. Catman has claimed several times, both in his early appearances and modern ones, that his cape is mystical and able to restore mortal wounds, which he has shown on several occasions.
He is armed with sharp edge “catarangs” which he uses at range, or as melee weapons. Beyond those, he’s capable of using anything he finds lying about in creative ways.
He wears razor-tipped gauntlets.